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首页> 外文期刊>Journal of physics, A. Mathematical and theoretical >Wilson loops for triangular contours with circular edges
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Wilson loops for triangular contours with circular edges

机译:威尔逊与圆形边缘的三角轮廓环绕

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摘要

We calculate Wilson loops in lowest order of perturbation theory for triangular contours whose edges are circular arcs. Based on a suitable disentanglement of the relations between metrical and conformal parameters of the contours, the result fits perfectly in the structure predicted by the anomalous conformal Ward identity. The conformal remainder function depends in the generic 4D case on three cusp and on three torsion angles. The restrictions on these angles imposed by the closing of the contour are discussed in detail and also for cases in 3D and 2D.
机译:我们用微扰理论的最低阶计算边为圆弧的三角形轮廓的威尔逊环。通过对等高线的测量参数和保角参数之间的关系进行适当的分解,结果完全符合反常保角沃德恒等式所预测的结构。在一般4D情况下,共形余数函数取决于三个尖点和三个扭转角。详细讨论了轮廓闭合对这些角度的限制,以及3D和2D中的情况。

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